// JavaScript Document
function validator_login()
{
	var valid = true;
	if((document.login_form.user_nm.value==null)||(document.login_form.user_nm.value==""))
	{
		alert("Please enter Username");
		document.login_form.user_nm.focus();
        valid = false;
	}
	else if((document.login_form.password.value==null)||(document.login_form.password.value==""))
	{
		alert("Please enter Password.");
		document.login_form.password.value="";
		document.login_form.password.focus();
        valid = false;
	}
	return valid; 
}